CN212057943U

CN212057943U - Red vanadium drying system

Info

Publication number: CN212057943U
Application number: CN202020686363.6U
Authority: CN
Inventors: 周才; 付云贵; 韦林森; 徐聪
Original assignee: Pangang Group Vanadium Titanium & Resources Co ltd
Current assignee: Pangang Group Vanadium Titanium & Resources Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-12-01
Anticipated expiration: 2030-04-28

Abstract

The utility model relates to a vanadic anhydride production technical field especially relates to a red vanadium drying system, it includes the combustor, the forced draught blower, the hot-blast furnace, the flash drying machine, cyclone, the dust remover, main air exhauster, the chimney, the export of combustor, the export of forced draught blower is linked together with the import of hot-blast furnace respectively, the export of hot-blast furnace is linked together with the air inlet of flash drying machine, the export of flash drying machine is linked together with cyclone, cyclone's top export is linked together with the import of dust remover, cyclone's bottom export is linked together with the first import of conveyer, the lateral part export of dust remover is linked together with the import of main air exhauster, the export and the chimney of main air exhauster are linked together. The red vanadium drying system can realize the crushing and drying of wet red vanadium, has the advantages of simple structure, strong integration, high drying efficiency, low energy consumption, high automation degree and less environmental pollution, obviously reduces the labor intensity of workers, and is favorable for large-scale popularization and use.

Description

Red vanadium drying system

Technical Field

The utility model relates to a vanadium trioxide production technical field especially relates to a red vanadium drying system.

Background

Red vanadium is called ammonium polyvanadate, APV for short, is an important raw material for producing vanadium trioxide, the water content of the red vanadium is about 23 percent, and the water content of the red vanadium needs to be dried to be below 1 percent due to the process change of the production of the vanadium trioxide, so a system capable of drying the red vanadium is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a simple structure, can realize the dry red vanadium drying system of red vanadium.

The utility model provides a technical scheme that its technical problem adopted is: the red vanadium drying system comprises a burner, a blower, a hot blast stove, a flash evaporation dryer, a cyclone separator and a dust remover, main air exhauster, the chimney, the conveyer, the feed bin, the export of combustor, the export of forced draught blower is linked together through the import of pipeline with the hot-blast furnace respectively, the export of hot-blast furnace is linked together through pipeline and flash dryer's air inlet, flash dryer's export is linked together through pipeline and cyclone, cyclone's top export is linked together through the import of pipeline with the dust remover, cyclone's bottom export is linked together through the first import of pipeline with the conveyer, the lateral part export of dust remover is linked together through the import of pipeline with main air exhauster, the bottom export of dust remover is linked together through the second import of pipeline with the conveyer, the export of conveyer is linked together through the import of pipeline with the feed bin, the export of main air exhauster is linked together through pipeline and chimney.

Further comprises a controller, wherein the combustor, the air feeder, the hot blast stove, the flash dryer, the cyclone separator, the dust remover, the main exhaust fan and the conveyor are connected with the controller through signal data lines.

Further, the flash evaporation dryer comprises a feeder, a crusher and a drying tower, wherein the feeder and the drying tower are positioned above the crusher, and an air inlet of the flash evaporation dryer is positioned at the bottom of the crusher.

Further, the cyclone separator is of a double cyclone structure.

Further, the conveyor is a bidirectional converging screw conveyor, the first inlet is located on the right side of the conveyor, and the second inlet is located on the left side of the conveyor.

Further, the dust remover is a bag-type dust remover.

Further, be provided with first pressure detector on the pipeline between hot-blast furnace export and the flash dryer air inlet, first temperature detector, be provided with second pressure detector on the flash dryer, second temperature detector, the pipeline between cyclone top export and the dust remover import is provided with the third pressure detector, the third temperature detector, the pipeline between dust remover lateral part export and the import of main air exhauster is provided with the fourth pressure detector, the top of feed bin is provided with the charge level indicator, first pressure detector, first temperature detector, the second pressure detector, the second temperature detector, the third pressure detector, the third temperature detector, the fourth pressure detector, the charge level indicator all is connected with the controller through the signal data line.

Further, an automatic flue gas monitoring system is arranged on the chimney.

The utility model has the advantages that: the utility model discloses red vanadium drying system uses the flow to do: introducing coke oven gas into a combustor for combustion, mixing the coke oven gas with blast air of a blower in a hot blast stove to generate hot air, simultaneously sending wet red vanadium to be dried into a crusher of a flash dryer through a feeder of the flash dryer for crushing, sending hot air in the hot blast stove into the crusher and contacting the crushed wet red vanadium, then sending the crushed wet red vanadium into a drying tower of the flash dryer for drying, sending the red vanadium fully dried in the drying tower into a cyclone separator through suction force generated by a main exhaust fan through a pipeline for separating coarse particles from fine particles of red vanadium, and finally sending the separated coarse particles of red vanadium into a storage bin through a conveyer; and the separated fine red vanadium particles and gas enter a dust remover through an outlet at the top of the cyclone separator for separation and collection, the collected fine red vanadium particles are also conveyed into a storage bin through a conveyor, and the gas is discharged after reaching the standard through a main exhaust fan and a chimney, so that the drying of the wet red vanadium is completed. Therefore, the red vanadium drying system can realize the crushing and drying of wet red vanadium, has the advantages of simple structure, strong integration, high drying efficiency, low energy consumption, high automation degree and less environmental pollution, obviously reduces the labor intensity of workers, and is favorable for large-scale popularization and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

the label is: the system comprises a combustor 1, a blower 2, a hot blast stove 3, a flash dryer 4, a feeder 41, a crusher 42, a drying tower 43, a cyclone separator 5, a dust remover 6, a main exhaust fan 7, a chimney 8, a conveyor 9, a storage bin 10, a first pressure detector 11, a first temperature detector 12, a second pressure detector 13, a second temperature detector 14, a third pressure detector 15, a third temperature detector 16, a fourth pressure detector 17, a material level meter 18 and an automatic flue gas monitoring system 19.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in figure 1, the utility model discloses red vanadium drying system, including combustor 1, forced draught blower 2, hot-blast furnace 3, flash dryer 4, cyclone 5, dust remover 6, main air exhauster 7, chimney 8, conveyer 9, feed bin 10, dust remover 6 is the sack cleaner, the export of combustor 1, the export of forced draught blower 2 is linked together through the import of pipeline with hot-blast furnace 3 respectively, the export of hot-blast furnace 3 is linked together through the air inlet of pipeline with flash dryer 4, the export of flash dryer 4 is linked together through pipeline with cyclone 5, the top export of cyclone 5 is linked together through the import of pipeline with dust remover 6, the bottom export of cyclone 5 is linked together through the first import of pipeline with conveyer 9, the lateral part export of dust remover 6 is linked together through the import of pipeline with main air exhauster 7, the bottom export of dust remover 6 is linked together through the second import of pipeline with conveyer 9, the outlet of the conveyor 9 is communicated with the inlet of the storage bin 10 through a pipeline, and the outlet of the main exhaust fan 7 is communicated with the chimney 8 through a pipeline.

The utility model discloses red vanadium drying system uses the flow to do: introducing coke oven gas into a combustor 1 for combustion, mixing the coke oven gas with blast air of a blower 2 in a hot blast stove 3 to generate hot air, simultaneously sending wet red vanadium to be dried into a crusher 42 of a flash dryer 4 through a feeder 41 of the flash dryer 4 for crushing, sending the hot air in the hot blast stove 3 into the crusher 42 and contacting with the crushed wet red vanadium, then sending the crushed wet red vanadium into a drying tower 43 of the flash dryer 4 for drying, sending the fully dried red vanadium in the drying tower 43 into a cyclone separator 5 through a pipeline by suction force generated by a main exhaust fan 7 for separating coarse particles from fine particles of red vanadium, and finally sending the separated coarse particles of red vanadium into a storage bin 10 through an outlet at the bottom of the cyclone separator 5 and a pipeline by the conveyor 9; and the separated fine red vanadium particles and gas enter a dust remover 6 through an outlet at the top of the cyclone separator 5 for separation and collection, the collected fine red vanadium particles are also conveyed into a storage bin 10 through a conveyor 9, and the gas is discharged after reaching the standard through a main exhaust fan 7 and a chimney 8, so that the drying of the wet red vanadium is completed. Therefore, the red vanadium drying system can realize the crushing and drying of wet red vanadium, has the advantages of simple structure, strong integration, high drying efficiency, low energy consumption, high automation degree and less environmental pollution, obviously reduces the labor intensity of workers, and is favorable for large-scale popularization and use.

In order to guarantee the drying effect of flash dryer 4, the utility model discloses preferred flash dryer 4 includes charging means 41, breaker 42, drying tower 43, and breaker 42 is the spiral shell breaker, and charging means 41, drying tower 43 are located the top of breaker 42, and flash dryer 4's air inlet is located the bottom of breaker 42. The crusher 42 is preferably a volute crusher, hot air enters from the side section of the bottom of the crusher 42 and is in contact with wet red vanadium crushed by a blade rotating at high speed through an upper suspension of a volute, the contact area is large, the time is long, and the drying effect is ensured. To facilitate the loading of the wet red vanadium, the feeder 41 is preferably of a spiral configuration.

In order to further improve the automation level of the whole system, the system further comprises a controller, the controller is preferably a programmable controller, and the combustor 1, the blower 2, the hot blast stove 3, the flash dryer 4, the cyclone separator 5, the dust remover 6, the main exhaust fan 7 and the conveyor 9 are connected with the controller through signal data lines. The operation of the burner 1, the blower 2, the hot blast stove 3, the flash dryer 4, the cyclone separator 5, the dust remover 6, the main exhaust fan 7 and the conveyor 9 is automatically controlled by a controller. In order to improve the operation effect of the whole system controlled by the controller, the utility model also comprises a first pressure detector 11 and a first temperature detector 12 arranged on the pipeline between the outlet of the hot blast stove 3 and the air inlet of the flash dryer 4, a second pressure detector 13 and a second temperature detector 14 arranged on the flash dryer 4, a third pressure detector 15 and a third temperature detector 16 arranged on the pipeline between the outlet at the top of the cyclone separator 5 and the inlet of the dust remover 6, a fourth pressure detector 17 arranged on the pipeline between the outlet at the side of the dust remover 6 and the inlet of the main exhaust fan 7, a material level meter 18 arranged on the top of the material bin 10, the first pressure detector 11, the first temperature detector 12, the second pressure detector 13, the second temperature detector 14, the third pressure detector 15, the third temperature detector 16, the fourth pressure detector 17 and the level indicator 18 are all connected with the controller through signal data lines. First pressure detection meter 11 is used for detecting hot-blast pressure, and then can obtain the pressure of 3 hearths of hot-blast furnace, realizes the real-time supervision to 3 hearths of hot-blast furnace pressure, and first temperature detection meter 12 is used for detecting hot-blast temperature, realizes the real-time supervision to the hot-blast temperature that hot-blast furnace 3 came out. The second pressure detector 13 is used for detecting the internal pressure of the drying tower 43 to realize real-time monitoring of the internal pressure of the drying tower 43, and the second temperature detector 14 is used for detecting the temperature in the drying tower 43 to realize real-time monitoring of the temperature in the drying tower 43. The third pressure detector 15 is used for detecting the pressure of the inlet pipeline of the dust remover 6, the third temperature detector 16 is used for detecting the temperature of the inlet pipeline of the dust remover 6, so that the real-time monitoring of the pressure and the temperature of the inlet pipeline of the dust remover 6 is realized, and the fourth pressure detector 17 is used for detecting the temperature of the outlet pipeline of the dust remover 6, so that the real-time monitoring of the temperature of the outlet pipeline of the dust remover 6 is realized. The detection meter transmits the detected data to the controller, and the controller controls the operation of each device after analyzing the obtained data.

In order to ensure the separation effect of the coarse particles and the fine particles of the red vanadium, the cyclone separator 5 is of a double-cyclone structure. In order to facilitate the conveying of the coarse and fine red vanadium particles, the conveyor 9 is a bidirectional converging screw, and the first inlet is located on the right side of the conveyor 9 and the second inlet is located on the left side of the conveyor 9. In order to monitor whether the discharged gas reaches the standard in real time, an automatic flue gas monitoring system 19 is arranged on the chimney 8.

Claims

1. Red vanadium drying system, its characterized in that: comprises a burner (1), a blower (2), a hot blast stove (3), a flash evaporation dryer (4), a cyclone separator (5), a dust remover (6), a main exhaust fan (7), a chimney (8), a conveyor (9) and a storage bin (10), wherein the outlet of the burner (1) and the outlet of the blower (2) are respectively communicated with the inlet of the hot blast stove (3) through pipelines, the outlet of the hot blast stove (3) is communicated with the air inlet of the flash evaporation dryer (4) through a pipeline, the outlet of the flash evaporation dryer (4) is communicated with the cyclone separator (5) through a pipeline, the top outlet of the cyclone separator (5) is communicated with the inlet of the dust remover (6) through a pipeline, the bottom outlet of the cyclone separator (5) is communicated with the first inlet of the conveyor (9) through a pipeline, the side outlet of the dust remover (6) is communicated with the inlet of the main exhaust fan (7) through a pipeline, the bottom outlet of the dust remover (6) is communicated with the second inlet of the conveyor (9) through a pipeline, the outlet of the conveyor (9) is communicated with the inlet of the storage bin (10) through a pipeline, and the outlet of the main exhaust fan (7) is communicated with the chimney (8) through a pipeline.

2. The red vanadium drying system of claim 1, wherein: the device is characterized by further comprising a controller, wherein the combustor (1), the air feeder (2), the hot blast stove (3), the flash dryer (4), the cyclone separator (5), the dust remover (6), the main exhaust fan (7) and the conveyor (9) are connected with the controller through signal data lines.

3. The red vanadium drying system of claim 1, wherein: the flash evaporation dryer (4) comprises a feeder (41), a crusher (42) and a drying tower (43), wherein the feeder (41) and the drying tower (43) are positioned above the crusher (42), and an air inlet of the flash evaporation dryer (4) is positioned at the bottom of the crusher (42).

4. The red vanadium drying system of claim 1, wherein: the cyclone separator (5) is of a double cyclone structure.

5. The red vanadium drying system of claim 1, wherein: the conveyor (9) is a bidirectional converging screw conveyor, the first inlet is positioned on the right side of the conveyor (9), and the second inlet is positioned on the left side of the conveyor (9).

6. The red vanadium drying system of claim 1, wherein: the dust remover (6) is a bag-type dust remover.

7. The red vanadium drying system of claim 2, wherein: a first pressure detector (11) and a first temperature detector (12) are arranged on a pipeline between an outlet of the hot blast stove (3) and an air inlet of the flash dryer (4), a second pressure detector (13) and a second temperature detector (14) are arranged on the flash dryer (4), a third pressure detector (15) and a third temperature detector (16) are arranged on a pipeline between an outlet of the top of the cyclone separator (5) and an inlet of the dust remover (6), a fourth pressure detector (17) is arranged on a pipeline between an outlet of the side of the dust remover (6) and an inlet of the main exhaust fan (7), a material level meter (18) is arranged at the top of the storage bin (10), the first pressure detector (11), the first temperature detector (12), the second pressure detector (13), the second temperature detector (14), the third pressure detector (15), the third temperature detector (16), The fourth pressure detector (17) and the material level meter (18) are connected with the controller through signal data lines.

8. The red vanadium drying system according to any one of claims 1 to 7, wherein: an automatic flue gas monitoring system (19) is arranged on the chimney (8).